<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单区域 -->
            <el-form  class="login_form" :model="loginForm" :rules="loginFormRules" ref="loginFormRef">
                <!-- 用户名 -->
                <el-form-item label="用户名" prop="username">
                    <el-input  prefix-icon="iconfont icon-user" v-model="loginForm.username" style="width: 330px; float: right" ></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item label="密码 " prop="password">
                    <el-input  prefix-icon="iconfont icon-3702mima" v-model="loginForm.password" type="password" style="width: 330px; float: right" ></el-input>
                </el-form-item>
                <!-- 验证码 -->
                <el-form-item label="验证码" prop="code" >
                    <el-input v-model="loginForm.code"  style="width: 200px;" maxlength="5"></el-input>
                    <el-image :src="captchaImg" class="captchaImg" @click="getCaptcha" style="float:right"></el-image>
                </el-form-item>
                        <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login('formName')">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>

            </el-form>
            
        </div>
    </div>
</template>
<script>
import qs from 'qs'
export default {
    data(){
        return{
            //这是表单的数据绑定对象
            loginForm:{
                username:'admin',
                password:'123456',
                code:'',
                token:''
            },
            loginFormRules:{
                username:[
                    { required: true, message: '请输入登录名称', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10个字符', trigger: 'blur' }
                ],
                password:[
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15个字符', trigger: 'blur' }
                ],
                code: [
                    { required: true, message: '请输入验证码', trigger: 'blur' },
                    { min: 5, max: 5, message: '长度为 5 个字符', trigger: 'blur' }
                ],
            },
            captchaImg: null

        }
    },
    methods:{
        //点击重置
        resetLoginForm(){
            //console.log(this);
            this.$refs.loginFormRef.resetFields();

        },
        
        login(){
            this.$refs.loginFormRef.validate(async(valid)=>{
                if(!valid) return
               const {data:res}=await this.$http.post('login?code='+this.loginForm.code+"&&token="+this.loginForm.token,this.loginForm)
               console.log(res);
               if(res.meta.status!=200) return this.$message.error(res.meta.msg)
                this.$message.success('登录成功')
                console.log(res);
                window.sessionStorage.setItem("token",res.data.token)
                this.$router.push('/home')

            })
        },
        async getCaptcha() {
				await this.$http.get('/captcha').then(res => {
					console.log("/captcha")
					this.loginForm.token = res.data.data.token
					this.captchaImg = res.data.data.captchaImg
					this.loginForm.code = ''
				})
		}
    },
    created() {
        this.getCaptcha()
    }

    
}
</script>
<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 370px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);

    .avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow:0 0 10px #ddd ;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
        img{
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eee;
        }
    }
}
.btns{
    display: flex;
    justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

</style>
